Tables: activating an ID (e.g. clicking button inside) column doesn't prevent columns output flags from having ImGuiTableColumnFlags_IsHovered set. (#2957)

This commit is contained in:
ocornut
2022-10-13 15:15:42 +02:00
parent 3e8d198133
commit b15347cb7d
3 changed files with 11 additions and 1 deletions

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@ -936,11 +936,19 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
width_remaining_for_stretched_columns -= 1.0f;
}
// Determine if table is hovered which will be used to flag columns as hovered.
// - In principle we'd like to use the equivalent of IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByActiveItem),
// but because our item is partially submitted at this point we use ItemHoverable() and a workaround (temporarily
// clear ActiveId, which is equivalent to the change provided by _AllowWhenBLockedByActiveItem).
// - This allows columns to be marked as hovered when e.g. clicking a button inside the column, or using drag and drop.
ImGuiTableInstanceData* table_instance = TableGetInstanceData(table, table->InstanceCurrent);
table->HoveredColumnBody = -1;
table->HoveredColumnBorder = -1;
const ImRect mouse_hit_rect(table->OuterRect.Min.x, table->OuterRect.Min.y, table->OuterRect.Max.x, ImMax(table->OuterRect.Max.y, table->OuterRect.Min.y + table_instance->LastOuterHeight));
const ImGuiID backup_active_id = g.ActiveId;
g.ActiveId = 0;
const bool is_hovering_table = ItemHoverable(mouse_hit_rect, 0);
g.ActiveId = backup_active_id;
// [Part 6] Setup final position, offset, skip/clip states and clipping rectangles, detect hovered column
// Process columns in their visible orders as we are comparing the visible order and adjusting host_clip_rect while looping.